package com.hua.lambda;


//推导lambda表达式
public class TestLambda {
    public static void main(String[] args) {
        ILike like = new Like();
        like.lambda();
        Like2 like2 = new Like2();
        like2.lambda();

        //局部内部类
        class Like3 implements ILike{
            @Override
            public void lambda() {
                System.out.println("i like lambda3");
            }
        }
        Like3 like3 = new Like3();
        like3.lambda();

        //匿名内部类 , 没有类名称，必须借助接口或者父类
        like = new ILike() {
            @Override
            public void lambda() {
                System.out.println("i like lambda4");
            }
        };
        like.lambda();

        //lambda简化
        like = () -> {
            System.out.println("i like lambda5");
        };
        like.lambda();


    }

    //静态内部类
    static class Like2 implements ILike{
        @Override
        public void lambda() {
            System.out.println("i like lambda2");
        }
    }



}
//1定义一个函数式接口
interface ILike{
    void lambda();

}
//实现类
class Like implements ILike{
    @Override
    public void lambda() {
        System.out.println("i like lambda1");
    }
}